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Finding the Fourth Proportional to 446,368.70, 616,095.93 and 255,492.74

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Solution

The fourth proportional to 446,368.70, 616,095.93 and 255,492.74 is: 352,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,368.70 : 616,095.93 = 255,492.74 : x
  2. Step 2: Convert to fraction form
    446,368.70/616,095.93 = 255,492.74/x
  3. Step 3: Cross multiply
    446,368.70x = 616,095.93 × 255,492.74
  4. Step 4: Simplify right side
    446,368.70x = 157,408,037,258.55
  5. Step 5: Solve for x
    x = 157,408,037,258.55/446,368.70
  6. Step 6: Final answer
    x = 352,641.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.